`timescale 1ns / 1ps

module PCadd4(PC_0,PCadd4);
 
    input [31:0] PC_0;//偏移量
 
    output [31:0] PCadd4;//新指令地址
 
    CLA_32 cla32_for_pcadd(PC_0,4,0, PCadd4, Cout);//在ALU模块
 
endmodule